Bottomore, Tom B.
Penguin Books, 1964
Buku Teks
Wertheim, W.F. (Willem Frederik)
Van Gennep, 1975
Buku Teks
Israr
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
UI - Tesis (Membership)
Crispin Thurlow, Adam Jaworski, editors
Routledge, 2018
Buku Teks
Sutherland, Heather
Heinemann Educational Books, 1979
Buku Teks